Watch case



FIG. 1 is a top plan view of a watch case, showing my new design;

FIG. 2 is an inverted left-side view thereof;

FIG. 3 is an inverted right-side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is top elevational view;

FIG. 6 is a bottom elevation view thereof; and,

FIG. 7 is a top right-side perspective view thereof. 

The ornamental design for a watch case, as shown and described. 